Aeroplane.



H. 0. WELL.

Patented Nov. 4, 1913.

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I WITNESSES lNVENTOl? [M (3% A 7'7'0RNE rs H. C. WELL.

AEROPLANE.

APPLICATION FILED AUG. 7, 1909.

Patehted Nov. 4, 1913.

5 SHEETS-SHEET 2.

INVENTOR Hu 0 C 6 6! W/TNESSES fi wwflai.

ATTORNEYS H. 0. WELL.

AEROPLANE.

APPLICATION FILED AUG. '1, 1909.

1,077,774. Patented N0v.4, 1913.

5 SHEETS-SHEET '3.

WITNESSES lNVENTOf? 001 (f,- Hugo (3/14 1! 2 6. a 441 B y A TTORNE Y S H. 0. WELL.

AEROPLANE.

APPLIOATION FILED AUG. 7, 1909.

Patented Nov. 4, 1913.

5 SHEBTSSHEET 4.

I N VE N T05 #1190 (3% H. 0. WELL. AEROPLANE. APPLICATION FILED AUG. 7, 1909.

atelited Nov. 4, 1913.

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HUGO O. \VELL, OF NEW YQEK, N. Y., ASSIGNOR OF ONE-HALF TO FREDERICK A. B. MEINHARDT, OF NEW YORK, N. Y.

AEROPLANE.

Specification of Letters Patent.

Patented Nov. 4, 1913.

To all whom it may concern Be it known that I, HUGO C. WVELL, who have applied for citizenship of the United States, and a resident of the city of New York, borough of the Bronx, in the county and State of New York, have invented a new and Improved Aeroplane, of which the i I following is a full, clear, and exact description.

My inventionrelates to aeroplanes, and it has for its object to provide one having two planes with two pairs of auxiliary planes, one plane in each of the pairs of auxiliary planes being disposed above the other respectively, one pair of auxiliary planes being disposed in front of the main planes, which is termed the head, and the other pair of the auxiliary planes being disposed in the rear being termed the tail, there being means which are adapted for moving the auxiliary planes simultaneously relatively to the main planes. i

Another object of the invention to mount the head and tail on an auxiliary frame pivoted to the main frame on an axis disposed from the front to the rear of the aeroplane, the members of the auxiliary T frame being pivoted together so that one side of the auxiliary frame may be extended forwardly as the other side of the auxiliary frame is extended rearwardly.

Still another object of the invention is to pivot rudders on the head and tail between the auxiliary planes respectively, and to provide means by which the rudders may be operated simultaneously.

Still another object of the invention is to In this specification I will describe the" preferred form of my invention, it being understood that the scope of the invention m defined m the appended claims.

Reference is to be had to the accompanying drawings forming a p'art'of this specification, in which similar characters of reference indicate corresponding parts in all the views.

Figure 1 is a perspective view of my invention; Fig. 2 is a plan view of the invention; Fig. 3 is a sectional view on the line 33 of Fig. 2; Fig. 4 is a front elevation of my invention; Fig. 5 is a diagrammatic view showing the means for operating the auxiliary frame, the auxiliary planes and the vanes; and Fig. 6 is a fragmentary view showing how the auxiliary frame is pivoted to the main frame. I

By referring to the drawings it will be seen that transverse main frame members 5 are rovided, which are spaced from each other, and which are connected by -main frame members 6 running from the front to the rear of the main planes and vertical main frame members 7, which contact the transverse main frame members 6 to which the two main planes 8 and 9 are secured, these mam planes 8 and 9 with the main frame members .5 and 6 being constructed so that the planes 8 and 9 are oblong,.each

having one of its longest edges disposed at the front of the aeroplane. Additional vertically disposed frame members 10 and 11 are provided, these frame members 10 and 11 being secured at their terminals to frame members 6. To these frame members 10 and 11 is loosely pivoted an auxiliary frame having transverse arms 12, these'transverse frame members 12 being pivoted to frame members 13, which extend from the front to the rear of the aeroplane, and which project beyond the main planes 8 and 9. These frame members 13 have eyes or bearings 14 at their terminals in which are journaled rods 15, which are secured to vertical frame members 16 of the auxiliary plane frames. Additional vertical auxiliary plane frame members 17 are provided, and these members 16 and 17 are connected by transverse frame members 18 and frame members 19, the latter being extended longitudinally of the aeroplane. The outer or free terminals of the auxiliar plane frames are not as wide as their inn r terminals, th fr m m m rs 20 con ec ng he terv n nne sides of the auxiliary plane frames, these frame mem rs. 20 form ng a ute a gle i with the rear inner transverse frame members 18, and obtuse angles with the outer transverse frame members 18. The auxiliary planes 21 and 22 are secured to the auxiliary plane frames, these planes 21 and 22 being spaced fromeach other. Each of the auxiliary plane frames is constructed in this manner.

The pair of auxiliary planes which are disposed at the front of the aeroplane are referred to as the head, and the'pair of auxiliary planes at the rear of the aeroplane are referred to as the tail. Cables 23 are secured to the top and bottom of the auxiliary plane frames which are led through pulleys on the frame to a lever 24. The cable23 which is secured to the bottom of the front auxiliary plane frame, and the cable 23 which is secured tothe top of the rear auxiliary plane frame have their other terminals secured to the lever 24 at one side of its fulcrum, and the cable 23 which is secured to the top of the front auxiliary plane frame and the cable 23 which is secured to the bottom of the rear auxiliary plane frame have their other terminals secured to the lever 24 at the other side of its fulcrum. Wound on the drum 25 there is a cable 26, the cable being disposed over pulleys 26 secured to members 26 of the upper portion of the main frame, one' terminal of the cable26 being secured to one end of the rear auxiliary transverse frame member 12, the other terminal of the cable 26 being secured to the other end of the said transverse frame member 12. Pivoted toa standard 30, the terminals of which are secured to frame members 19 in the forward auxiliary plane frame, there is a rudder 31,

v and pivoted to standards 32, which are cured the cable 34. this cable similarly secured in the rear auxiliary aeroplane frame, are rudders 33, the rudders having tillers 31 and 33 to which is se- 34 passing over pulleys 35 and being wound around the drum 27.

Standards 37. are secured to frame members 6 and project above and below the main planes 8 and 9, these standards 37 being disposed near the sides of the main plane frame. To the free terminals of the standards 37 are pivoted'above the plane 8, vanes 38, and below the plane 9 there are pivoted to the lower free terminals of the standards 37, vanes 39. I Cables are provided which are secured to the vanes 38 and 39 at their front and rear ends, the cables 40 which are secured to the front ends of the "anes 38 and to the rear ends of the vanes 39 passing over pulleys, and. having their other terminals secured to the lever 43 at one side of its fulcrum, and the cables 40 which are secured to the rear ends of the 1 vanes 38 and to the front endsof the vanes 39 passing over pul eys and having their 43 has foot rests 43% other terminals secured to the lever 43 at the other side of its fulcrum. This lever which permit it to be operated as a treadle. a

The aeroplane is provided with one or more engines 46, whichare connected by sprocket wheels 47 and sprocket chains 48, with shafts 49 to which propellers 50 are secured, one propeller being preferably mounted in front and-the other in the rear of the aeroplane. Vertical frame members 51 extend below the lower main plane 9, these vertical frame members 51 being connected by frame members 52 and 53, the frame members 53 having bearings on which are mounted wheels 54. I

In using my invention the engine or engines are started, which drive the propellers 50, and when the aeroplane acquires sufficient velocity running on the ground, the operator by means of the lever 24 and the cable 23, inclines the auxiliary plane frames so that the auxiliary planes in front will have their free forward terminals pointed upwardly, and the auxiliary planes in the rear will have their free rear terminals disposed downwardly. The aeroplane will then ascend. In practice it will be found tobe advantageous to adjust the vanes 38 and 39 so that the forward ends of the vanes will point upwardly and to keep them so disment of the auxiliary planes will be required to direct the aeroplane forward.

The operator by rotating the hand wheel 29 is able to rock the auxiliary frame composed of the members 12 and 13, and simultaneously move oneside of the auxiliary plane frame forwardly and the other side rearwardly relatively to the main planes,

and at the same time operate the rudders 31 and 33, the cables 26 and 34 being wound on the drums 25 and 27. This is possible for, when the rightside of the auxiliarv plane frame is moved forwardly, and the left side is moved rearwardly, the forward auxiliary planes which are carried by the auxiliary plane frame, will be moved toward the left, the rear auxiliary planes which are also carried by the auxiliarv plane frame being moved toward the right, the front rudder 31 being at the same time moved 'toward the left and the rear rudders 33 beingmoved to ward the right. The operation of the rudders 31 and 33. simultaneously with the .movement of the auxiliary plane frame is "assured for both the auxiliary plane frame and the rudders are commanded by the hand wheel 29. When the right side of the auxiliary plane frame is moved forwardly, it is raised inasmu'lf 'as 'the pulleys 26c are-not only disposed in advance,butalsoabove'the points where the cable-26" is secured to the auxiliaryplane frame; the left side of the auxiliary plane frame being' depressed as the right side is raised for the transverse frame members are rigid and are loosely pivoted to the frame members and 11. It will therefore be seen that by movement of the hand wheel 29, the rightside of the auxiliary plane frame and the right sides of the auxiliary planes will be raised and their left sides will be lowered, the forward auxiliary planes will be moved to the left, the rear auxiliary planes will be movedto the right, the forward rudders will b'emoved tothe left and the rear rudders will be moved to the right. With my aeroplane constructed as has been described, it is possible to turn a corner much more quickly and safer than with other aeroplanes. It is also possible to make safely a quick continuous turn, going up or down, that is spirally.-

Having thus described my invention, I claim as new and desire to secure by Letters Patent:

1. In an aeroplane amain plane, two auxiliary planes spaced apart and disposed substantially parallel, one over the other, the auxiliary planes being pivotally-connected to'the main-fplaneon a horizontal axis, and

- a rudder mounted to rock on a-verti'cal axis between the auxiliary planes.

2;" In anaeroplane, a plane, aframe having two members extending longitudinally 'of the main plane, anclme'mbers connected with the two'members, the several members being loosely articulated together, two substantially horizontal auxiliary planes, one disposed at the front and the other at the rear of the frame"members,-the auxiliary prlanes being p-ivutally connected with the ame members on horizontal axes.

3. In an aeroplane,"a.main plane, two auxiliary planes, spaced apart and disposed substantially parallel oneover the other, the auxiliary planes being pivotally connected to the'main plane on a vertical axis, and a rudder mounted on a vertical axis-between the auxiliaryplanes.

4. In an aeroplane, a main plane, two auxiliary parallel planes, spaced apart," a frame by which the auxiliary-planes are'secured together, the frame having a pivotal movement on an axis extending from the-front to the rear of the main plane, tworudders mounted on vertical axes between the auxiliary planes, and means -to' operate-the frudders simultaneously-i: 1

111' an aeroplane, a main plane, two auxiliar'y fplanes, spaced apart, a frame by whi h 'the -auxi liafry p1arres are secured g ths zfth fr m rh ing': pivotal movement on a vertical axis and also on an axis extending" from-the frent to the realise the main plane; and a Fru'dder mounted on a vertical axis between the auxiliary planes;

" 6-. In an aeroplane, amain-plane, two pairs of auxiliary planes, the auxiliary planes in each-pair being disposed one over the other,'tl1e auxiliary planes being pivoted relatively to the main plane, rudders pivoted on vertical axes at angles between the auxiliary planes respectively, andmeans to 0p erate the rudders simultaneously.

7 Iir an aeroplane, two main planes, two pairs of auxiliary planes, "the auxiliary planes in each pair being disposed one over the other, one in front-and onein the rear of the main planes, the auxiliary planes being pivoted relatively to the main plane, rudders pivoted on vertical axes between the auxiliary planes respectively, and means to 0-perate the rudders simultaneously.

8. In an aeroplane a main plane, a frame having a member extending longitudinally of the main plane and pivoted relatively to the main .plane, two auxiliary planes supported bythe member, one disposed atone end of the main plane and the other disposed at the opposite end, each of the auxiliary planes'being adapted'to. be moved with the member and relatively tothe main plane on vertical and horizontal axes, and means "for operating the o=memberof 1 the frame.

9."In an aeroplane a main frame, a frame having members extending longitudinally of the plane and pivoted relatively tothe main plane, two auxiliary planes-supported by the members-one disposed atone end of the mainplaneand the other disposed'at the opposite end, each of the-auxiliaryplanes being adapted to beamovedrrela-tively to the main plane on a verticalaxis, and also on an axis" extending from the front to the rear of the main plane, and means for holding the auxiliary planes on-substantially parallel planes. I

- 10. In an aeroplane a main frame, an auxiliary frame pivotedto'the main frame, two auxiliary planes pivoted to the auxiliary frame, and extending therefrom at opposite ends of the main frame, and means to rock the auxiliary frame relatively to the main frame.

11. In an aeroplane, a. main plane, a pair of auxiliary planes disposed one over the other and "pivoted on an axis extending from the front to the rearof themain plane, and a rudder mounted to rock on an axis at an angle to andibetweenthe auxiliary planes.

12. Inanaeroplane,- amain'plan a pair thefront 'to "the rear some mainiplane,

two rudders mounted to rock- 011 :axe's "at of auxiliary planes secured together one over the other and pivoted to move on longitudinal and transverse axes relatively to the main plane, and a rudder mounted between the auxiliary planes to rock on an axis at an angle to the auxiliary planes.

15. In an aeroplane, a main plane, a pair of auxiliary planes spaced apart and pivoted to move on longitudinal and transverse axes relatively to the main plane, two rudders mounted between the auxiliary planes to rock on axes at an angle to the auxiliary planes, and means to operate the rudders simultaneously.

16. In an aeroplane, two main plan spaced apart, twopairs of auxiliary planes, one pair of auxiliary planes being spaced apart and being disposed at the front of the aeroplane, the other pair of auxiliary planes being spaced apart and being disposed at the rear of the aeroplane, the auxiliary planes being pivoted to move on longitudinal and transverse axes relatively to the main planes, a rudder mounted on a vertical axis between each pair of auxiliary planes, and means to operate the rudders simultaneously.

17. In an aeroplane, two main planes spaced apart, two pairs of auxiliary planes, one pair of auxiliary planes being spaced apart and being disposedat the front of the aeroplane, the other pair of auxiliary planes being spaced apart and being disposed at the rear of the aeroplane, the auxiliarv planes-being pivoted to move on longitudinal and transverse axes relatively to the main planes, and a rudder mounted on a vertical axis between each pair of auxiliary planes.

18. In an aeroplane frame members, loosely articulated together and adapted to be moved relatively to each other, two substantially horizontal auxiliary planes, one disposed at the front and the other at the rear of the frame members, the auxiliary planes being pivotally connected to the frame members on horizontal axes.

19. In an aeroplane, a frame, a main plane mounted on the frame, a second frame pivoted to and extending beyond the first frame at both ends, the second frame having transverse members at its ends, auxiliary planes pivoted to the transverse members respectively, and-means to operate .the auxiliary planes simultaneously.

20. In an aeroplane, a main frame, two main planes secured to the frame and disposed one over the other, an auxiliary frame pivoted .on a front to rear axis to and extending beyond the main frame at its front and rear, two auxiliary plane frames pivoted on horizontal axes to the auxiliary frame at its front and rear respectively, and four auxiliary planes, two of which are spaced apart and are secured to each of the auxiliary plane frames.

21. In an aeroplane, a main frame, two I main planes secured to the frame and disposed one over the other, an auxiliary frame pivoted on a front to rear axis to and extending beyond the main frame at its front and rear, two auxiliary plane frames pivoted on horizontal axes to the auxiliary frame at its front and rear respectively, four auxiliary planes, two of which are spaced apart and are secured to each of the auxiliary plane frames, and means to operate the auxiliary plane frames simultaneously.

22. In an aeroplane, a main frame, two main planes secured to the frame and disposed one over the other, an auxiliary frame pivoted on a front to rear axis to and extending beyond the main frame at its front and rear, two auxiliary plane frames pivoted on horizontal axes to the auxiliary frame at its front and rear respectively, four auxiliary planes, two of which are spaced apart and are secured to each of the auxiliary plane frames, and rudders mounted between the auxiliary planes at angles thereto.

23. In an aeroplane, a main frame, two main planes secured to the frame and disposed one over the other, an auxiliary frame pivoted on a front to rear axis to and extending beyond the main frame at its front and rear, two auxiliary plane frames pivoted on horizontal axes to the auxiliary frame at its front and rear respectively, four auxiliary planes, two of which are spaced apart and are secured to each of the auxiliary plane frames, rudders mounted between the auxiliary planes at angles thereto, and means to operate the rudders simultaneously.

24. In an aeroplane, a main frame, two main planes secured to the frame and disposed one over the other, an auxiliary frame pivoted on a front to rear axis to and extending beyond the main frame at its front and rear, two auxiliary plane frames pivoted on horizontal axes to the auxiliary frame at its front and'rear respectively, four auxihary planes, two of which are spaced apart and are secured toeach of the auxiliary plane frames, rudders mounted between the auxiliary planes at angles thereto, means to operate the rudders simultaneously, and means to operate the auxiliary plane frames simultaneously.

25. In an aeroplane, two main planes spaced apart, one over the other, two pairs of vanes, one of each pair being pivoted on a transverse axis above the upper main plane near its sides, and the other of each air being pivoted on a transverse axis be ow the lower main plane near its sides, and means to operate the vanes of each pair simultaneously. A

26. In an aeroplane, two main planes spaced apart one over the other, two pairs of vanes-one of each pair being pivoted on a transverse axisabove the upper main plane near its sides and the other of each pair being pivoted on a transverse axis below the lower main plane near its sides, means to operate the vanes of each pair simultaneously, a head and a tail each consisting of a frame and two auxiliary parallel frames spaced apart and disposed one over the other respectively, and means to move the head andtail simultaneously relatively to the main planes. a I

27. In an'aeroplane, two main planes,two auxiliary parallel planes spaced apart, a frame by which the auxiliary planes are se cured together, the frame having a pivotal movement relatively to the main planes, a rudder mounted on a vertical axis between the auxiliary planes, two pairs of vanes,

one of each palr being pivoted on a trans- Verse axis above the upper main plane near its sides respectively, and the other of each pair being pivoted on a transverse axis below the lower main plane near its sides respectively, and means to operate the vanes of each pair simultaneously.

28. In an aeroplane, a main frame, two main planes secured to the main frame disposed one over the other, two pairs of vanes, one of each pair being pivoted on a transverse axis abovethe upper main plane near its sides respectively, and the other of each pair being pivoted on a transverse axis below the lower main plane near its sides respectively, means to operate the vanes of each pair- 'ultaneously, and auxiliary planes dis 'd in pairs at the front and rear of the main planes, the auxiliary planes being adapted to rotate on a front to rear and on a transvers axis relatively to the main planes; .29. In an aeroplane a main plane, a member pivoted to. move on longitudinal and transverse axes relatively to the main plane, and a rudder pivoted to the member.

30. In an aeroplane,a main frame, members forming an auxiliary frame mounted thereon, the members of the auxiliary frame being pivoted one to another respectively, means adapted for moving the auxiliary frame members relatively to each other, and auxiliary plane's secured to the auxiliary frame at the front and rear of the mainframe respectively. Y

31. In anaeroplane, a main frame, an auxiliary frame ivoted thereto on an axis extending from t e front to the rear of the aeroplane, the members of the auxiliary frame being pivoted one to another respectively, and planes carried bythe auxiliary,

frame.

32. In an aeroplane, a mam frame, an

auxiliary frame having two members extending in a direction from the front to the rear of the aeroplane, two members pivoted to the first named members by which they are connected, the last mentioned members being pivoted to the main frame, a rudder, and means by which the rudder is carried by the auxiliary frame.

33. In anaeroplane, a main frame, an

auxiliary frame having two members extending in a direction from the front to the rear of the aeroplane, two members pivoted to the first named members by which they are connected, the last-mentioned members being pivoted to the main frame, and planes mounted on the auxiliary frame.

34. In an aeroplane a frame member, an auxiliary frame having two members extending in a direction from the front to the rear of the aeroplane, tWo members pivoted to the first-named members to which they are connected, the last-mentioned members being pivoted-to the main frame, means adapted to move the auxiliary frame members relatively to each other, and a plane carried by .the auxiliaryframe.

35. In an aeroplane a main frame, an

auxiliary frame having a plurality of hori- L zontal members pivoted to each other, means adapted for moving the sides of the auxiliary frame forwardly andrearwardly relatively to the main frame, and a plane carried by the auxiliary frame. v

36. In an aeroplane a main frame, an auxiliary frame pivoted to the main frame, on an axis extending from the front to the rear of the aeroplane, the auxiliary frame being composed of a plurality of members pivotedtogether, means adapted for moving the sides of the auxiliary frame forwardly and rearwardly, relatively to the main frame, and a plane carried by the auxiliary frame.

37. In an aeroplane a main-frame, an auxiliary frame ivoted to the main frame, on an axis exten ing from the from to the rear of the aeroplane, the auxiliary frame being composed of a plurality of members pivoted together, means adapted for moving the sides of the auxiliary frame forwardly and rearwardly relatively to each other, and a plane carried by the auxiliary frame.

38. In an aeroplane, a main frame, an auxiliary frame pivoted thereto on an axis extending from-the front to the rear of the each other and for rocking the auxiliary frame relatively to, the main frame and a plane carried by the auxiliary frame.

40. In an aeroplane a main frame, an auxiliary frame pivoted thereto 'on an axis ex tending from the front to the rear of the aeroplane, the members of the auxiliary frame being pivoted one to the other respectively, rudders for the aeroplane, means adapted for simultaneously moving the sides of the auxiliary frame relatively to each r other for rocking the auxiliary frame relatively to the main frame, means for operating the rudders, and a plane carried by the auxiliary frame.

41. In an aeroplane, a main frame, an

auxiliary frame pivoted thereto on an axis extending from the front to the rear of the aeroplane, the members of the auxiliary frame being pivoted one to another respectively, rudders for the aeroplane, means adapted for simultaneously moving the sides of the auxiliary frame relatively to each other for rocking the auxiliary frame relatively to the main frameand for operating the rudders, planes mounted on the main frame, and auxiliary planes mounted on the auxiliary frame, 42. In an aeroplane, a main frame, an auxiliary frame pivoted thereto on an axis extending from the'front to the rear of the aeroplane, the members of the auxiliary frame being pivoted one to another respectively, rudders for the aeroplane, means adapted for simultaneously moving the sides of the auxiliary frame relatively to each other for rocking the auxiliary frame relatively to themain frame and for operating the rudders, planes mounted on the main frame, and auxiliary planes pivoted to the auxiliary frame.

43. In an aeroplane, a main frame, an auxiliary frame pivoted thereto on an axis extending from the front to the rear of the aeroplane, the members of the auxiliary frame being pivoted one to another respec tively, rudders for the aeroplane, means adapted for simultaneously moving the sides of the auxiliary frame relatively to each other for rocking the auxiliary frame relatively to the main frame and-for operating the rudders, main planes mounted on the -main frame, and auxiliary planes pivoted to the auxiliary frame on axes disposed transversely of the aeroplane.

44;. In an aeroplane, a main frame, an auxiliary frame plvoted thereto on an axis extending from the front to the rear of the aeroplane, the members of the auxiliary frame being pivoted one to another respectively, rudders for the aeroplane, means adapted for simultaneously moving the sides of the auxiliary frame relatively to each other for rocking the auxiliary frame relatively to the main frame and for operating the rudders, main planes mounted on the main frame, auxiliary planes pivoted to the auxiliary frame on axes disposed transversely of the aeroplane, and means adapted fol-operating the auxiliary plane simultaneously.

45. In an aeroplane, a main frame, an auxiliary frame pivoted thereto on an axis extending from the front to the rear of the aeroplane, the members of the auxiliary frame being pivoted one to another respecttively, a rudder for the aeroplane, and means adapted for simultaneously moving one side of the auxiliary frame relatively to the other side for lifting the said side of the auxiliary frame and for moving the rudder toward the other side of the auxiliary frame. 46. In an aeroplane, a main frame, amain plane secured thereto, an auxiliary frame pivoted to the main frame on an axis extending from the front to the rear of the aeroplane, the members of the auxiliary frame being pivoted one to another respectively, auxiliary planes pivoted to the auxiliary frame on an axis disposed transversely relatively to the frame at the front and rear of the aeroplane, rudders for the aero lane disposed at the front and the rear of t e aeroplane respectively, and means adapted for simultaneously moving one side of the auxiliary frame forwardly relatively to the other side, for rocking the auxiliary frame relatively to the main frame and for operating. the rudders so that their planes will be moved in the direction of the movement of the auxiliary planes at the front to the rear of the aeroplane respectively when the auxiliary planes are moved by the movement of the auxiliary frame.

47. In an aeroplane, a main frame, two

. main planes secured thereto disposed one above the other, an auxiliary frame pivoted thereto on an axis extending from the front to the rear of the aeroplane, the members of the auxiliary frame being pivoted one to another respectively, auxiliary planes pivoted to the auxiliary frame on axes disposed transversely of the aeroplane at the front and rear of the aeroplane and mounted one above the other respectively, rudders for. the aeroplane disposed between the auxiliary planes respectively, and means adapted for moving one side of the auxiliary frame forwardly relatively to the other side, for rocking the auxiliary frame relatively to the main frame and for operating the rudders so that their planes will be moved in the direction of the movement of the auxiliary planes at the front and rear of the aeroplane respectively, when the auxiliar planes are moved by the movement of t e auxiliary frame.

48. In an aeroplane, a main frame, two main planes secured thereto disposed one above the other, an auxiliary frame pivoted thereto on an axis extending from the front I to the rear of'the aeroplane, the members of the auxiliary frame being pivoted one to another respectively, auxiliary planes pivoted to the auxiliary frame on'axes disposed transversel of the aeroplane at the front and rear 0 the aeroplane and mounted one above'the other respectively, rudders for the aeroplane disposed between the auxiliary planes respectlvely, means adapted for movmg one side of the auxiliary frame forwardly relatively to the other side, for rocking the auxiliary frame relatively to the main frame and for operating the rudders so that their planes will be moved in the direction of the movement of the auxiliary planes at the front and rear of the aeroplane respectively when the auxiliary planes are moved by the movement of the auxiliary frame, and means for rocking the auxiliary planes relatively to the auxiliary frame.

. In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

, HUGO C. WELL.

Witnesses:

EVERARD B. MARSHALL, PHILIP D. Rommaus. 

